Bergen B36:45V16 vs Wärtsilä 20V34SG
The Bergen B36:45V16 and Wärtsilä 20V34SG are both natural gas generator engines in a similar power class. Both are rated at roughly 12,041 kVA. Displacement is 732.9 L versus 726.5 L. The table below compares their full specifications side by side.
| Specification | Bergen B36:45V16 | Wärtsilä 20V34SG |
|---|---|---|
| Headline rating | 11,838 kVA | 12,244 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 9,470 kWe | 9,795 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | 9,388 kWe |
| Displacement | 732.9 L | 726.5 L |
| Configuration | V16 | V20 |
| Cylinders | 16 | 20 |
| Rated speed | 750 RPM | 750 / 900 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 150000 kg | — |
| Origin | Norway | Finland |
Choosing between Bergen B36:45V16 and Wärtsilä 20V34SG
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Wärtsilä 20V34SG has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.